CN104145669B - A kind of lawn of utilization urban sewage sludge compost mixed-matrix production and preparation method thereof - Google Patents
A kind of lawn of utilization urban sewage sludge compost mixed-matrix production and preparation method thereof Download PDFInfo
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Abstract
The invention discloses lawn of a kind of utilization urban sewage sludge compost mixed-matrix production and preparation method thereof, comprise the following steps：Choose the air-dried thick compost of the municipal sludge become thoroughly decomposed to be sieved, compost particle diameter is between 2mm~5mm after screening；By compost and rice chaff, vermiculite, any two kinds in perlite are mixed, and are stirred, are obtained mixed-matrix；Level land；Spraying insecticide；Lay separation layer；Mixed-matrix is equably covered on separation layer；Grass seeds is equably sowed, after the completion of sowing, mixed-matrix 0.5cm is covered；Cover sunshade net.The present invention can not only improve EDTA- Fe, reduction production and planting cost, Economization on land and water resource, achievement of harnessing the river can also be consolidated, promote energy-saving and emission-reduction, a large amount of excess sludges produced with sewage disposal process of effectively dissolving alleviate the pressure that garden media is gradually deficient, source is unstable, it is a great application value, sustainable recycling sludge method.
Description
Technical field
It is that one kind utilizes the production of urban sewage sludge compost mixed-matrix the present invention relates to a kind of lawn soilless and preparation method thereof
Lawn and preparation method thereof.
Background technology
Lawn beautifying the environment, conserve water and soil, purify and play irreplaceable effect in terms of air.With urbanization
Fast development, people to lawn demand and class requirement increasingly improve.The quick planting of high-quality turf turns into current lawn
One of important topic of research.The production of high-quality turf is not only relevant with grass product kind, and with the selection of lawn cultivation matrix
It is closely related.Traditional turf production matrix is typically derived from farmland, destroys serious to soil texture, and pest and disease damage and weeds are difficult to
Control, the production cycle is long.Some cities using building waste as planting soil, but due to ignore afforestation soil standard with
It is required that, nutriment is deficient, and unit weight is larger to be caused soil quality to be generally reduced and occur that plant growing way is bad, maintenance management is difficult
The problems such as.Effectively to solve the disadvantage on traditional lawn, arisen at the historic moment without native turf.Conventional lawn soilless culture matrix such as leech
Though stone, rock wool etc. have preferable physicochemical character, because its nutrient is not enough, expensive, do not pushed away in actual production
Wide and popularization.Therefore, the in short supply of lawn cultivation matrix turns into significant problem urgently to be resolved hurrily in Development of Turf.
Rapid expanding and a large amount of discharges of sanitary sewage with urban population, mud handling capacity are increased substantially, according to estimating
Meter Chinese sludge yield in 2013 is up to 30,000,000 tons.And compost recycling turn into Treatment of Sludge major way it
One.Compared with peat, the characteristics of sludge composting has the nutrients such as lightweight, harmless, rich Nitrogen-and Phosphorus-containing is a kind of potential preferable lawn
Matrix.Sludge composting mixed-matrix include it is organic-organic, organic and inorganic two types, these composite interstitial substances combine various groups
Into the excellent physicochemical property of material, be conducive to improving cultivation effect.Selection can be recycled, gathered materials on the spot, free from environmental pollution,
Cultivation effect it is good accompany sorting to be the developing direction that sludge composting mixed-matrix lawn is utilized.But, the selection of component material must
There must be science, and should be matched according to different substrates material physicochemical property and different plant seedlings biological characteristicses, it is no
Then sludge composting mixed-matrix growth result is not so good as single-matrix.The factors such as weather, the resource of various regions are different so that various regions are to base
The requirement of matter is different, accompanies the selection region of sorting very strong.Long-distance allocation and transportation not only increase cost, and one kind accompanies sorting a certain
Area is using preferably not representing it has general applicability.Such as Heilongjiang Province, it can give priority to wood chip, rice husk, stalk, fall
Leaf, clinker etc. accompany the sludge composting mixed-matrix based on sorting.Both environmental pollution and the wasting of resources had been avoided, and can have been produced more
Economic benefit, realize grass cultivation sustainable development.It is traditional life with after-tax profit during sludge composting production lawn and net present value (NPV)
3.3 times of production pattern, are significantly feasible from economy.Therefore, substitute soil with sludge composting or inorganic cultivation matrix is given birth to
Production lawn soilless can improve EDTA- Fe, cost-effective, and it is while our living environments are improved, and can also effectively dissolve dirt
Mud, has widened the market of lawn soilless culture matrix, and the also final disposal for sludge composting provides good outlet.
The content of the invention
To solve the above problems, the invention provides a kind of utilization urban sewage sludge compost mixed-matrix production lawn and its
Preparation method, this lawn soilless regulates and controls the productivity of mixed-matrix by controlling the mixing match of sludge composting and other auxiliary materials
Can, the physicochemical character of matrix is met the requirement of Turfgrass Growth, can not only improve EDTA- Fe, reduction production and planting into
This, Economization on land and water resource can also consolidate achievement of harnessing the river, and promote energy-saving and emission-reduction, effectively dissolve with sewage disposal process
The a large amount of excess sludges produced, alleviate the pressure that garden media is gradually deficient, source is unstable, are a great application values,
Sustainable recycling sludge method.
To achieve the above object, the technical scheme taken of the present invention is：
A kind of preparation method on the lawn of utilization urban sewage sludge compost mixed-matrix production, comprises the following steps：
The air-dried thick compost of the municipal sludge become thoroughly decomposed of S1, selection is sieved, compost after screening, and particle diameter is in 2mm~5mm
Between；
S2, by the compost and rice chaff with conventional cultivation matrix particle diameter obtained by step S1, vermiculite, any two in perlite
Plant and mixed, stir, obtain mixed-matrix；
S3, level land, go to cut weeds, cut height and fill out low-lying area, it is therefore an objective to make lawn smooth, thickness is uniform during laying matrix；
S4, spraying insecticide, prevent soil pests mole cricket damage containment layer and lawn；
S5, laying separation layer, prevent lawn root system from penetrating in soil, promote root system mutually to join networking；
S6, the mixed-matrix obtained by step S2 is equably covered on separation layer, it is ensured that stromal thickness 2~
2.5cm；
S7, equably sow grass seeds, application rate 25g/m2, the visual grass seeds species of application rate is varied from, after the completion of sowing,
The mixed-matrix 0.5cm of the gained of covering step 2；
S8, covering sunshade net, prevent strong wind from mixed-matrix is scraped into winged, while also sunlight can be avoided directly to expose mixed-matrix, drop
Low-moisture transpiration.With lawn roller rolloff matrix, it is ensured that grass seeds is fully contacted with matrix, can improve the germination percentage of grass seeds.
Wherein, sunshade net can be removed after grass seeds germination.
Wherein, shorter when the production cycle, at as 18~20 days, the percentage by volume of compost is in the mixed-matrix
2%-39%, the percentage by volume of rice chaff is 0~98%, and the percentage by volume of vermiculite is 0~93%.
Wherein, it is shorter when the production cycle, at as 18~20 days in the mixed-matrix vermiculite percentage by volume be 0~
92%, compost percentage by volume is 8%~35%, and perlite percentage by volume is 0~64%.
Wherein, shorter when the production cycle, rice chaff percentage by volume is 10% in the mixed-matrix at as 18~20 days
~98%, compost percentage by volume is 2%~37%, and perlite percentage by volume is 0~69%.
Present invention also offers a kind of lawn of utilization urban sewage sludge compost mixed-matrix production, pass through above-mentioned preparation method
Prepare.
The invention has the advantages that：
(1) recycling for sludge composting provides new outlet, can consolidate achievement of harnessing the river, and promotes energy-saving and emission-reduction,
Effectively dissolve a large amount of excess sludges produced with sewage disposal process, alleviate garden media gradually deficient pressure.
(2) sludge composting is rich in N P and K and various trace elements, is conducive to the growth of plant, but contains a huge sum of money in sludge
, there is certain risk for agricultural production in the noxious materials such as category, as production lawn, can avoid contaminated food chain, reduce ring
Border risk.
(3) it is shorter to have filtered out the production cycle, into level ground quality preferably sludge composting mixed-matrix ratio range.
(4) with conventional lawn soilless culture discrete phase ratio, material sludge composting used in mixed-matrix, the source such as rice chaff is wide
It is general, it is with low cost.
(5) lawn soilless of urban sewage sludge compost mixed-matrix production, to place without particular/special requirement, produces floor space
It is small, it can be recycled, therefore, the problems such as taking a large amount of fertile soils, destruction soil texture in the absence of traditional turf production, favorably
In soil protection ecological environment.
(6) lawn soilless of urban sewage sludge compost mixed-matrix production, is adapted to the planting of most of turfgrass, and pest and disease damage
And weed infestation is substantially fewer than traditional lawn, maintenance and management cost can be effectively reduced.
(7) the lawn soilless root system of sludge composting mixed-matrix production is mutually tangled, and root system almost 100% is protected during transplanting
Stay, compared with traditional lawn, seedling-slowing stage substantially shortens.
(8) compared with soil, the unit weight of sludge composting mixed-matrix is smaller, lighter in weight, it is possible to decrease cost of transportation.
(9) compared with traditional lawn is with blockage transplanting mode, mixed-matrix lawn soilless is coiled sale, is substantially reduced
Laying cost.
Brief description of the drawings
Each matrix turfgrass plant heights of Fig. 1 change with time figure.
The variation diagram of each matrix turfgrass root activity of Fig. 2.
The variation diagram of each matrix turfgrass blade hydrogen peroxide enzymes of Fig. 3.
The variation diagram of each matrix turfgrass leaf chlorophyll content when Fig. 4 is sowed 21 days.
The variation diagram of free proline content in each matrix turfgrass blades of Fig. 5.
Fig. 6 rice chaff, vermiculite and three component mixed-matrix production cycle of sludge composting program operation sectional drawing.
Embodiment
In order that objects and advantages of the present invention are more clearly understood, the present invention is carried out with reference to embodiments further
Describe in detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this hair
It is bright.
Urban sewage sludge compost mixed-matrix used in the present invention is used by air-drying, the Zhengzhou, Henan Province eight of screening
The sludge composting of Gang Wunichuzhichang productions, and agricultural wastes rice chaff, electrodeless cultivation matrix vermiculite, perlite etc. are by necessarily matching somebody with somebody
Than well mixed obtained sludge composting mixed-matrix.Sludge composting used and its specific such as table of various index physics and chemistry for accompanying sorting
Shown in 1：
The physical and chemical index of each component of table 1
This research is theoretical according to { 3,2 } simplex lattice of mixture experiment design, and alkali thatch grass is cultivated using mixed-matrix
Invention, it is intended to inquire into feasibility and itself and the dirt of perlite, rice chaff, vermiculite and sludge composting exploitation non-earth greensward cultivation ground mass
The combination of mud compost different volumes proportioning and alkali thatch grass are correlative study in matrix using it without the relation between the native sod production cycle
Scientific basis is provided in apolegamy.
Three component mixture expirements design also known as formula design, is a kind of important inventive method for studying formulation ratio problem.
Simplex-lattice design in mixture expirement design has the characteristics that：(1) { p, d } designs the invention number of times to be made and is exactly equal to ring
Answer coefficient number in equation (returning the free degree and total freedom phase).Inventive point is symmetrically arranged amongst in simple form, each signal component value
1 can be equal to by adding up.(2) composition of inventive point is relevant with the number of times d of model, and each composition xi value is 1/d multiple, xi
=0,1/d, 2/d ... (d-1)/d, 1.In the design, the various cooperations of factor component amount are all used.(3) it is secondary in equation
Item βijxixjIt is not intended that xiWith xjReciprocation because xiWith xjBy conditionLimitation, it is impossible to it is independent
The reason of variation.With rice chaff, exemplified by vermiculite and sludge composting mixed-matrix, it is formulated as shown in table 2.
The sludge composting mixed-matrix of table 2 is formulated
For the evaluation of turf quality, the present invention is carried out on the basis of quantification treatment to each index, introduces fuzzy number
Comprehensive Evaluation is learned to determining that each leading indicator of turf quality carries out overall merit.Mainly including presentation quality, ecological quality,
Three aspects of practicality metrics evaluation.(1) lawn presentation quality lawn presentation quality be lawn in people's vision good job it is anti-
Should.Urban lawn mainly has the effect beautified the environment, so its Evaluation on Appearance Quality is an importance of turf evaluation.
Shoot density, color and luster, quality and homogeneity etc. constitute the presentation quality on lawn, thus many scholars are in evaluation procedure, handle
These indexs are used as preferred index.Herein Evaluation on Appearance Quality index is used as from shoot density, color and luster, quality and homogeneity.
Using 9 points of point systems processed of NTEP (The National Turfgrass Evaluation Program), evaluation refers to
Mark includes：Density, color and luster, quality and homogeneity.Represent possible top score with 9, using 1 as worst score, using 6 as
Minimum acceptable quality score, is specifically shown in Table 3
The lawn presentation quality standards of grading of table 3
Lawn Quality evaluation utilizes analytic hierarchy process (AHP) (Analytic Hierarchy Process, be abbreviated as AHP)
In relevant principle, weighted value of each index to overall merit target is determined according to T.L.Satty 1-9 method of scales.
The determination and calculating of weight：
In the Process of Comprehensive Assessment of turf quality, making comparisons, judge, evaluate, decision-making when, density, quality, color and luster,
The importance or influence power (i.e. usually said weighted value problem) of index such as once, it tends to be difficult to quantify, the subjective selection of people
Considerable effect is played, this just gives the general mathematical method of application to solve turf quality evaluation problem and brings substantially tired
It is difficult.At present, in existing turf quality evaluation method, weight is established a capital to be assessed by relevant expert and provided really, and expert is actual
In evaluation process, due to ununified reference standard, opinion is often inconsistent, the determination of weighted value is carried larger subjectivity
Property.Therefore, utilizing relevant principle, root in analytic hierarchy process (AHP) (Analytic Hierarchy Process, be abbreviated as AHP) herein
Weighted value of each index to overall merit target is determined according to T.L.Satty 1-9 method of scales.
This method is not that all factors are put together to be compared, but is compared two-by-two, meanwhile, used during contrast
Relative scalar, to be reduced as far as the difficulty that the different factors of property are compared to each other, improves precision.
Compare yardstick：For ease of determining aijIn comparison procedure, Satty1-9 two time scales approach is introduced, this method can be very well
Ground makes thinking judge quantification.
To lawn planting with presentation quality density, quality, color and luster, 4 index development of judgment matrix A1 of homogeneity；With degeneration-resistant
Property, tiller number, 3 evaluation index development of judgment matrix A2 of cover degree；With the practical quality turf grass growing time in lawn, gesture of emerging, growth speed
3 evaluation index development of judgment matrix A3 of rate
Its characteristic root is respectively λ A1max=4.1135 λ A2max=3.007 λ A3max=3.0012
WA1=(0.521 0.216 0.216 0.047)
WA2=(0.669 0.243 0.088)
WA3=(0.761 0.157 0.082)
By consistency check CRA1The CR of=0.042 ＜ 0.1A2The CR of=0 ＜ 0.1A3=0 ＜ 0.1
Show A1, A2 and A3 by consistency check, its corresponding characteristic vector is as turf evaluation index weights can
With receiving.
The foundation of the well logging device of Quality evaluation and the division of overall target Comment gathers, set up achievement data right with it
The well logging device answered.
If wishing, desired value is the bigger the better, and using the linear well logging device of the upper limit, function is as follows
If wishing, desired value is the smaller the better, and using the linear well logging device of lower limit, function is as follows
Wherein Uij(χi) represent that j-th of lawn to be evaluated corresponds to the well logging device of i-th of evaluation index, max χi, min χiRespectively
Represent the upper limit and lower limit of each evaluation index in Comment gathers division.Use Uij(χi) obfuscation calculating is carried out, obtain fuzzy relation
Matrix.And the division of the evaluation indice and Comment gathers of turf quality is specifically as shown in table 4.
The division of the evaluation indice and Comment gathers of the turf quality of table 4
The ambiguity function of each index is set up as follows：
The lawn index of each matrix of table 5
The corresponding well logging device of each metrics evaluation value partial objectives for layer is subjected to obfuscation, following fuzzy relation square is obtained
Battle array R1, R2, R3
While all indexs are drawn to the combined influence of turf quality, to avoid losing many letters of each single index
Breath, from model M (,+) among a variety of mathematical modelings of fuzzy evaluation, its formula can be represented with B=WAiRi (i=1,
2,3) (wherein, W is the weight vectors of each index, can be considered a line fuzzy matrix, and R is measurement result through obtained by obfuscation.It is fuzzy
(j=1,2 ... 6) be fuzzy comprehensive evoluation collection to matrix B=(bj), and (j=1,2 ... 6) be fuzzy comprehensive evoluation index to bj.)
Thus overall merit collection B1, the B2 for obtaining the practical quality in lawn presentation quality, Turf ecology quality and lawn are calculated,
B3
B1=WA1R1=(0.741 0.509 0.452 0.579 0.663 0.457 0.892 0.567)
B2=WA2R2=(0.723 0.912 0.809 0.751 0.314 0.667 1.000 0.492)
B3=WA3R3=(0.862 0.037 0.995 0.174 0.992 0.480 0.512 0.933)
Overall merit fuzzy matrix C is constituted by B1, B2, B3
Lawn overall merit collection D is drawn by D=WAC
D=(0.751 0.545 0.599 0.570 0.622 0.555 0.871 0.593)
Turf quality index is obtained by fuzzy mathematics and weight analysis method and analytic hierarchy process (AHP) as shown in table 6
The lawn Quality evaluation table of table 6
Comprehensive evaluation result analyze, will respectively be processed into the descending order of the comprehensive evaluation value behind level ground be ranked up for
CK1 ＞ T1 ＞ T5 ＞ T3 ＞ CK2 ＞ T4 ＞ T6 ＞ T2
The quality grading on lawn is
I grades of nothings
II grades of nothings
III level：For T2, T3, T4, T6, CK2, its comprehensive evaluation value is respectively 0.545,0.599,0.570,0.555 and
0.593
IV grades：For T1, T5, its comprehensive evaluation value is respectively 0.751,0.622
V grades：For CK1, its comprehensive evaluation value is 0.871
When alkali thatch carelessly skin, covering even compact, well developed root system, turf can roll and disease-free spot i.e. it is believed that turf into
Level ground.
With rice chaff, exemplified by sludge composting and vermiculite mixed-matrix, x1 represents the volume fraction of rice chaff, and x2 represents sludge composting
Volume fraction, x3 represents the volume fraction of vermiculite.And x1+x2+x3=1.
The program software of C language editor can be used for the impact analysis that matrix was constituted to the production cycle, P { 3,2 } is set up
Simplex lattice model of a quadric：
Y represents production cycle, A=y1, B=y2, C=y3, D=4y12-2 (y1+y2), E=4y13-2 (y1+y3), F=
4y23-2 (y2+y3), y1, y2, y3, y12, y13, y23 represent T1, T2, T3, T4, T5, T6 production cycle respectively.
The value of composition is：Xi=0,1/2,1.It will converse production cycle and bring corresponding equation side after A, B, C, D, E, F into
Journey：
A=y1=21；
B=y2=75；
C=y3=23；
D=4y12-2 (y1+y2)=- 88；
E=4y13-2 (y1+y3)=0；
F=4y23-2 (y2+y3)=- 96；
Click on carriage return, operation program, you can 5151 sets of data of display, it is corresponding comprising the change 0.01 of each constituent content
Production cycle.
The measured value of each matrix production cycle and the contrast of the predicted value of modeling, as shown in table 7.
The measured value of each matrix production cycle of table 7 and the predicted value of modeling are contrasted
Note：CK1 is used for regression equation goodness of fit test, CK2 growth experiments as a comparison.
By the production cycle, it is evident that the production cycle of pure sludge composting matrix is most long, and other are containing fertile mixed-matrix
Production cycle substantially shortens, and this plays the role of important, the physicochemical character of the length of production cycle not only with matrix to Instructing manufacture
Relevant, with extraneous environmental quality, water and fertilizer condition control is also closely related.
Can regression equation significance analysis main test regression equation reflect that actual conditions, i.e. calculated value and actual value are
It is no to coincide, use χ2Determination method determines the conspicuousness of the regression equation：Look into χ2Table, as f=6-1=5,
χ2 0.05=11.1, χ2＜ χ2 0.05, difference is notable, and theoretical value is coincide with actual value, and regression equation can reflect reality well
Border situation.
Statistical analysis is carried out to data, can be obtained：
During production cycle y ∈ [18,20]：0≤x1≤98% and 2%≤x2≤39% and 0≤x3≤93%, totally 2710 groups
Formula；
During production cycle y ∈ [21,30]：0≤x1≤100% and 0≤x2≤59% and 0≤x3≤100%, totally 1525 groups
Formula；
During production cycle y ∈ [31,40]：0≤x1≤42% and 58%≤x2≤71% and 0≤x3≤40%, totally 461 groups
Formula；
Production cycle y ∈ (40,75] when：0≤x1≤29% and 71%≤x2≤100% and 0≤x3≤28%, totally 455
Group of formula；
Therefore, in the future can be respectively from production cycle more short better angle, or using sludge, the cycle is again short simultaneously as far as possible
Angle, or in terms of the angle or turf quality of mixed-matrix cost select matrix proportioning.
The non-earth greensward cultivation ground mass that the present invention is obtained is used to cultivate alkali thatch grass without native turf
(1) grass seed selection：Grass seeds used of the invention is alkali thatch grass, and grass seeds germination percentage >=95%, can basis during actual production
Situation selects grass seeds.
(2) level ground bed prepares：It is smooth to soil progress, go to cut weeds, cut height and fill out low-lying area.Spraying insecticide, is prevented in soil
The insects such as mole cricket destruction level ground bed.
(3) matrix is laid：The plastic sheeting of separation layer one is laid, purpose prevents that blending root system under moisture penetrates in soil, spread
If mixed-matrix, thickness needs uniform；
(4) planting is sowed：Alkali thatch grass application rate is 25g/m2, can have been changed in turf production according to actual conditions.
(5) water and fertilizer condition is strictly controlled.
(6) index determining：After 7 days in matrix germination percentage up to more than 80%.Hereafter results of regular determination matrix pH value, EC values,
Plant height of turfgrass etc. changes.As shown in figures 1 to 6, the density of comparative measurements difference turf, lid when all turfs all can be in rolls
Degree, homogeneity, leaf chlorophyll, Proline, the content of MDA, the turf quality evaluation index such as root activity.And remember
Record the coiled time of alkali thatch grass in each matrix.Each matrix turfgrass data preparation such as table 8, shown in table 9.
The turfgrass plant height of table 8 and matrix pH value, EC values change with time
The part turf quality evaluation index of table 9
In summary, rice chaff is adjusted, compost, the ratio of the component mixed-matrix of vermiculite three can obtain into level ground within a short period of time
The second best in quality lawn soilless.In the Cheng Ping i.e. in 18~20 days, its mixed-matrix sludge composting percentage by volume be 2%~
39%, the percentage by volume of rice chaff is 0~98%, and the percentage by volume of vermiculite is 0~93%.The matrix can not only improve grass
Level ground quality, reduction production and planting cost, Economization on land and water resource, are a great application values, sustainable sludge money
Source approach.Extensive conventional cultivation matrix is substituted as soilless substrate lawn using urban sewage sludge compost, with preferable warp
Ji benefit, environmental benefit and social benefit.This product belongs to novel product, compared with tradition has soil grassplot, and sludge substrate is without soil
Lawn has turf grass growing time short, and low production cost, turf quality is excellent, the features such as ornamental good, can be according to different purposes point
Other planting Ornamental turf grass, sports turf grass, traffic safety turfgrass and soil conservation slope protecting grassplot grass etc., city, gardens and
Positive effect can be played in terms of water conservation bank protection.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (2)
1. a kind of preparation method on the lawn of utilization urban sewage sludge compost mixed-matrix production, it is characterised in that including following step
Suddenly：
S1, choose the air-dried thick compost of the municipal sludge become thoroughly decomposed and sieved, compost after screening, particle diameter 2mm~5mm it
Between；
S2, by the compost and rice chaff obtained by step S1, vermiculite, any two kinds in perlite are mixed, and are stirred, are obtained mixed
Close matrix；
S3, level land, go to cut weeds, cut height and fill out low-lying area, make lawn smooth, thickness is uniform during laying matrix；
S4, spraying insecticide, prevent soil pests mole cricket damage containment layer and lawn；
S5, laying separation layer, prevent lawn root system from penetrating in soil, promote root system mutually to join networking；
S6, the mixed-matrix obtained by step S2 is equably covered on separation layer, it is ensured that stromal thickness is in 2~2.5cm；
S7, equably sow grass seeds, application rate 25g/m2, after the completion of sowing, grass seeds is covered with mixed-matrix obtained by step S2, it is thick
Spend about 0.5cm；
S8, covering sunshade net, prevent strong wind from mixed-matrix is scraped into winged, while can also avoid sunlight from directly exposing mixed-matrix, reduce water
The transpiration divided；With lawn roller rolloff matrix, it is ensured that grass seeds is fully contacted with matrix, can improve the germination percentage of grass seeds；
When the production cycle is 18~20 days, the percentage by volume of compost is 2%~39%, the body of rice chaff in the mixed-matrix
Product percentage is 0~98%, and the percentage by volume of vermiculite is 0~93%；
Or vermiculite percentage by volume is 0~92% in the mixed-matrix, compost percentage by volume is 8%~35%, perlite
Percentage by volume is 0~64%；
Or rice chaff percentage by volume is 10%~98% in the mixed-matrix, compost percentage by volume is 2%~37%, pearl
Rock percentage by volume is 0~69%.
2. a kind of lawn of utilization urban sewage sludge compost mixed-matrix production, it is characterised in that by as claimed in claim 1
It is prepared by the preparation method on the lawn produced using urban sewage sludge compost mixed-matrix.
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| CN111480551A (en) * | 2020-05-27 | 2020-08-04 | 北京师范大学 | Application method for preparing marigold culture medium by utilizing tannery sludge compost |
| CN112868496B (en) * | 2021-01-29 | 2022-06-14 | 南京农业大学 | Optimized cultivation layer with excellent hardness, traction and elasticity for natural football field lawn |
| CN113330994A (en) * | 2021-07-13 | 2021-09-03 | 安徽国祯环卫科技有限公司 | Method for in-situ remediation of lawn by using kitchen waste compost mixed matrix |
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|---|---|---|---|---|
| KR100478194B1 (en) * | 2001-10-15 | 2005-03-23 | 주식회사 한울 | Method of producing lightweight sod |
| CN1237028C (en) * | 2002-12-11 | 2006-01-18 | 中国科学院地理科学与资源研究所 | Prepn process of carpet type lawn substrate |
| CN1316874C (en) * | 2002-12-22 | 2007-05-23 | 浙江大学 | Manufacture of plates from plant wastes for prevention of environment |
| JP2005272510A (en) * | 2004-03-23 | 2005-10-06 | Taguchi Gijutsu Kenkyusho:Kk | Soil solidification agent, method for solidifying soil, and solidified product of soil |
| ITPI20040099A1 (en) * | 2004-12-24 | 2005-03-24 | Maurizio Pacini | ERBOSOY CARPETING SYSTEM BY PRERADICATED MICRO-PLANT |
| CN101194586B (en) * | 2007-01-25 | 2010-05-19 | 李学麒 | Roofs greening ecological nutrition soil |
| CN101606482B (en) * | 2009-07-27 | 2011-04-13 | 河南省农业科学院 | Production method for environment-friendly soilless lawn carpet |
| CN101803556B (en) * | 2010-04-30 | 2011-09-07 | 江苏九久环境科技有限公司 | Cultivation nutritional stack layer and lawn blanket cultivation method thereof |
| CN102060583B (en) * | 2010-11-18 | 2013-02-13 | 北京城市排水集团有限责任公司 | Method for preparing biological carbon soil by static aerobic composting of sludge |
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2014
- 2014-08-01 CN CN201410381978.7A patent/CN104145669B/en not_active Expired - Fee Related
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